<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
</head>

<body>
    <div id="app">

    </div>

    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>
</body>



<script>
    new Vue({
        el: '#app',
        data: function() {
            return {
                visible: false
            }
        }
    })
</script>

</html>